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You're reading from  CompTIA Security+: SY0-601 Certification Guide - Second Edition

Product typeBook
Published inDec 2020
PublisherPackt
ISBN-139781800564244
Edition2nd Edition
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Kali Linux
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Cybersecurity
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Ian Neil
Ian Neil
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Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
Read more about Ian Neil

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Basic Cryptographic Terminologies

The Security+ exam is full of cryptographic terminologies, and in this section, we are going to start with obfuscation, which makes the code obscure. Try asking your family and friends to say the word obfuscation and watch them struggle. It is aptly named as the word itself is very obscure! You must know the terminology thoroughly.

Obfuscation

Obfuscation is the process where you take source code and make it look obscure, so that if it is stolen, it would not be understood. It is used to mask data. XOR, ROT13, and steganography could all be used for obfuscation in the Security+ exam.

Pseudo-Random Number Generator

Pseudo-Random Number Generator (PRNG) refers to an algorithm that uses mathematical formulas to produce sequences of random numbers. Random numbers can be used when generating data encryption keys.

Nonce

A nonce is an arbitrary number that can be used just once; it is often a random number.

Perfect Forward Secrecy

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CompTIA Security+: SY0-601 Certification Guide - Second Edition
Published in: Dec 2020Publisher: PacktISBN-13: 9781800564244
© 2020 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
Read more about Ian Neil

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